Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 10.05
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -7.46 -0.375 2.79
Prot (kg) -11.96 -0.441 5.28
Fertility Sub Index 2.16
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.78
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 14.47

* Based on an €80/tonne carbon price